Last weekend I participated in the global game jam at InnoGames in Hamburg, we we were a team of six people who never met before and while I miss fun gameplay, we are still quite proud of our result: http://slindev.com/glow/ (should be played with sounds)

Lite-C Tut. 1 Lite-C Tut. 2 Lite-C Tut. 3 (en)
Shader Tutorial (ger)

http://www.slindev.com